InChI=1/C20H24N4O4/c1-13-12-18(23-28-13)22-19(25)14-6-9-24(10-7-14)20(26)21-16-8-11-27-17-5-3-2-4-15(16)17/h2-5,12,14,16H,6-11H2,1H3,(H,21,26)(H,22,23,25)/t16-/m1/s1/f/h21-22H ACBB8D04D5897825